Even their fully self-hosted solution seems to come with most features locked behind paid subscriptions[1][2] which, whilst being perfectly fine on its own, is

Even their fully self-hosted solution seems to come with most features locked behind paid subscriptions[1][2] which, whilst being perfectly fine on its own, is also a restriction that automatically disqualifies the software from being open source[3]. Edit: They're quite possibly violating their own licenses here, but I'm not a lawyer so don't take it as fact. [1]: https://standardnotes.com/help/48/can-i-use-extensions-with-a-self-hosted-server https://standardnotes.com/help/48/can-i-use-extensions-with-... [2]: https://standardnotes.com/help/self-hosting/subscriptions https://standardnotes.com/help/self-hosting/subscriptions [3]: https://opensource.org/osd/ https://opensource.org/osd/